Born in Japan, raised in Tokyo, in the early sixties he began illustration at Studio Graphis in Tokyo. In the mid-sixties he attended Setsu Mode Seminar, school of fashion illustration. After graduation in 1967, Pater Sato began working at Tokyo Ad Designers Studio. In 1970 he joined Avant-Garde Acting Group, "Tokyo Kid Brothers," in Tokyo, and worked as an art director and illustrator, then toured with them in New York and designed sets for their off-Broadway musical plays at Cafe La Mama. Returning to Tokyo in the early seventies, Pater Sato worked as a free-lance illustrator. He is currently back in New York doing free-lance illustration.